[gnote] Make escape close search when search entry has focus

[Aurimas Černius <aurimasc src gnome org>]

commit bb260fe30423eef647710554a8019c5ed49fe193
Author: Aurimas Černius <aurisc4 gmail com>
Date:   Sat Aug 13 20:14:08 2016 +0300

    Make escape close search when search entry has focus

 src/recentchanges.cpp |   13 +++++++++++++
 src/recentchanges.hpp |    1 +
 2 files changed, 14 insertions(+), 0 deletions(-)
---
diff --git a/src/recentchanges.cpp b/src/recentchanges.cpp
index 332c627..01a00a8 100644
--- a/src/recentchanges.cpp
+++ b/src/recentchanges.cpp
@@ -220,6 +220,8 @@ namespace gnote {
   {
     m_search_entry.set_activates_default(false);
     m_search_entry.set_size_request(300);
+    m_search_entry.signal_key_press_event()
+      .connect(sigc::mem_fun(*this, &NoteRecentChanges::on_entry_key_pressed), false);
     m_search_entry.signal_changed()
       .connect(sigc::mem_fun(*this, &NoteRecentChanges::on_entry_changed));
     m_search_entry.signal_activate()
@@ -628,6 +630,17 @@ namespace gnote {
     return res;
   }
 
+  bool NoteRecentChanges::on_entry_key_pressed(GdkEventKey *event)
+  {
+    switch(event->keyval) {
+    case GDK_KEY_Escape:
+      m_search_entry.set_text("");
+      m_search_button.set_active(false);
+    }
+
+    return false;
+  }
+
   void NoteRecentChanges::on_entry_changed()
   {
     if(!m_search_box.get_visible()) {
diff --git a/src/recentchanges.hpp b/src/recentchanges.hpp
index 90f6906..4de439b 100644
--- a/src/recentchanges.hpp
+++ b/src/recentchanges.hpp
@@ -77,6 +77,7 @@ private:
   EmbeddableWidget *currently_embedded();
   void make_header_bar();
   void make_search_box();
+  bool on_entry_key_pressed(GdkEventKey *);
   void on_entry_changed();
   void on_entry_activated();
   void entry_changed_timeout();